__all__ = ["A", "_func", "__func", "func"]


class A():
    def __init__(self, name, age):
        self.name = name
        self.age = age


class B():
    def __init__(self, name, id):
        self.name = name
        self.id = id


def func():
    print("func() is run!")


def _func():
    print("_func() is run")


def __func():
    print("__func() is run")
